1097912 has 8 divisors (see below), whose sum is σ = 2058600. Its totient is φ = 548952.

The previous prime is 1097909. The next prime is 1097923. The reversal of 1097912 is 2197901.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68612 + ... + 68627.

It is an arithmetic number, because the mean of its divisors is an integer number (257325).

2^1097912 is an apocalyptic number.

It is an amenable number.

1097912 is a deficient number, since it is larger than the sum of its proper divisors (960688).

1097912 is a wasteful number, since it uses less digits than its factorization.

1097912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137245 (or 137241 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 1097912 is about 1047.8129604085. The cubic root of 1097912 is about 103.1626549971.

The spelling of 1097912 in words is "one million, ninety-seven thousand, nine hundred twelve".